Overflow-alarm



o. 753,518. PATBNTBD MARI, 1904.

B. A. REEVES. OVBRFLOW ALARM.

APPLIOATION'IILE D JAN. 21, 1903.

, N0 MODEL.-

Witnesses. I nve-ntor.

Attorney.

THE nanms PETERS co. PNOTOAUTNO. vusumcvou. 0 cv UNITED STATES PatentedMarch 1, 1904.

PATENT OFFICE.

EDWlN A. REEVES, OF NEW HAVEN, CONNECTICUT, ASSIGNOR, BY MESNEASSIGNMENTS, TO EMIL WEIBEL, OF PATERSON, NEW JERSEY, AND

JOHN J. WEIBEL, OF-BROOKLYN, NEW YORK.

OVERFLOW -ALA'RIV I.

SPECIFICATION forming part of Letters Patent No. 753,518, dated March 1,1994.

Application filed January 21, 1903. Serial No. 139,936. (No model.)

To all whom it may concern:

Be it known that I, EDWIN A. REEvEs, a citizen of the United States,residing at New Haven, in the county of New Haven and State ofConnecticut, have invented certain new and useful Improvements inOverflow-Alarms, of which the following is a specification, referencebeing had therein to the accompanying drawings.

This invention relates to overflow-alarms, being a device that isattached to a drip-pan or other liquid-receiver, and the bell formingpart thereof is automatically rung when the liquid within the pan hasreached a predetermined level.

It is the object of this invention, among other things, to provide adevice of this character which will be automatically actuated at all ofseveral predetermined levels, and, fur- 2 ther, to make the same of fewparts so de signed as to be readily constructed and the device sold atthe minimum cost.

To these and other ends my invention consists in the overflow-alarmhaving certain details of construction and combination of parts,

as will be hereinafter described, and more particularly pointed out inthe claims.

Referring to the drawings, in which like numerals designate like partsin the several 3 figures, Figure 1 is a front elevation of the deviceattached to a pan. Fig. 2 is an interior view of the mechanism with thebell removed. Fig. 3 is an end elevation of my device with the bell insection, and Fig. 1 is a similar plan view.

In the overflow-alarms heretofore made an alarm is sounded when theliquid in the pan has reached a predetermined level, but does not againsound even though the pan should 4 overflow. As the alarm is frequentlynot heard when sounded but once, the liquid continues to accumulate, andthe very end for which the device is intended is not attained. I have.overcome this defect in the present overflow-alarm devices by providingmeans whereby the alarm will ring at any number of predetermined levels,each time sounding a separate and distinct alarm and reducing the Incarrying out my invention I provide a back plate 1, which is secured onthe end of a bracket 2, having a hook 3 and a foot 4 at the other end.

In attaching the device to a pan the hook 3 is slipped over the upperedge thereof, and the foot 4 rests against the outside, as shownin Fig.1.

Rotatably mounted within the back plate 1 and the top plate 5, which issupported above said plate 1 by the posts .6, is the spindle 7, having amain gear 8 thereon and surrounded by a coil-spring 9. Concentric withsaid spindle 7 and threaded thereon against the shoulder 11 is the bell10, and threaded upon the end of said spindle is the thumb-button.

12,-having a pin 13 therethrough. The spindle 7 is rotated by thecoil-spring 9, which is fastened to said spindle, the power beingtransmitted through said spring to the gear 8'in a mannerwell known tothe art, the spring being wound by the thumb-button 12. The detailedconstruction of this spring and gear mechanism is not material to myinvention, any form or construction of spring-power shaft being equallyas well adapted to my device as the particular form shown. Parallel withsaid spindle 7 is the spindle 14, which is mounted within the plates 1and 5 and carries a pinion 15 thereon, which meshes into the main gear8, and an escapement-wheel 16, in the face of I which is fixed a pin 17The verge 18 is secured to the plate 1 by the screw 19,-and connectedtherewith by the rod 20 is the hammer 21. Pivotally secured to the backplate 1 by the screw 22 is the sector 23, having a plurality of notches24 in its outer edge, which notches are arranged so as to be engaged bya pin 25, fixed to said spindle 7. Pivota'lly secured to said sector 23by the pintle 26 is the trip-lever 27 having a lug 28 at its forward endand an offset 32 at its opposite end,

which projects through a hole 29 in the plate 1 and in which is held therod 30, carrying the float 31 at its outer free end.

The relative position of the parts after the in rotating the spindle 7,and through the gear 8 and pinion the escapement-wheel16 is rotated, andthe hammer 21 is caused to vibrate and strike the bell 10 through theverge 18. During the rotation of the spindle 7 the pin 25 also rotatesand engages one of the notches 24: in the sector 23, which causes saidsector'to oscillate upon its pivot-mounting 22. This oscillation raisesthe position of the pintle 26, and with it the trip-lever 27 until thelug 28 is again brought into the path of the stop-pin 17, at which pointthe mechanism will be again held against further rotation and the alarmsilenced. Now if the alarm is not heard and the pan is not emptied theliquid, ofcourse, will continue to rise, and after it has risen asuflicient distance the float will again, be raised and the lug 28released from the pin 17 and the alarm sounded, as before. The pin 25during its rotation again raises the position of the sector 23, and thelug 28 is again brought into the path of the pintle 17 These operationsare continued as many times as there are notches in the sector, thealarm being sounded each time. The sector 23 is returned to its originalposition when the spring 5 is wound, the pin 25 then rotating in thereverse direction.

i There are minor changes and alterations that'can be made within myinvention aside from those herein suggested, and I would therefore, haveit understood that I do not limit'myself to the exact constructionherein shown and described, but claim all that falls fairly within thespirit and scope of my inven-' tion.

What I claim as new, and desire to secure by Letters Patent, is

pivot, whereby said alarm will be successively sounded when the liquidreaches predeterininelzd levels higher than the first-mentioned eve 2.In an overflow-alarm, the combination with the bell; of a hammer; apivotally-mounted lever, controlling the operation of said hammer whenthe liquid within the pan has reached a predetermined level; means forautomatically changing the position of said pivot; and means foractuating said hammer after the liquid has reached a higherpredetermined level than the first-mentioned level.

3. In an overflow-alarm, the combination with the bell; of a vibratoryhammer, a triplever; a float connected with said trip-lever; and meansfor raising said trip-lever after the same has been oscillated by theliquid within the pan.

4. In an overflow-alarm, the combination with the bell; of a vibratoryhammer; a verge and escapement movement for imparting a vibratorymovement to said hammer; a trip-lever; a float connected with saidtrip-lever; and means for raising said trip-lever after the same hasbeen oscillated by the liquid within the pan, said means being actuatedfrom the same mechanism that imparts the vibratory move ment to saidhammer.

5. In an overflow-alarm, the combination with the bell; of a vibratoryhammer; a rotary spindle having a tooth connected therewith; a sectorhaving notches therein; a trip-lever pivotally secured to said sector;and a float connected with said lever.

6. In an overflow-alarm, the combination with the back plate 1; of aspring-rotated spindle having a tooth 25 thereon; of the vibratoryhammer 21; sector 23 pivotally secured to said back plate; lever 27pivotally secured to said sector; and a float 31 connected therewith.

7 In an overflow-alarm, the combination with the bell; of a hammer; atrip-lever; a float connected with said trip-lever; and means forraising said trip-lever after the same has been oscillated by the liquidwithin the pan.

In testimony whereof I afflx my signature in presence of two witnesses.

EDWIN A. REEVES.

Witnesses:

GEORGE E. HALL, J. P. DEJON.

